Horizon Scanning to Predict and Prioritize Invasive Alien Species With the Potential to Threaten Human Health and Economies on Cyprus

Jodey M. Peyton, Angeliki F. Martinou, Tim Adriaens, Niki Chartosia, Paraskevi K. Karachle, Wolfgang Rabitsch, Elena Tricarico, Margarita Arianoutsou, Sven Bacher, Ioannis Bazos, Giuseppe Brundu, Elizabeth Bruno-McClung, Iris Charalambidou, Monica Demetriou, Marika Galanidi, Bella Galil, Rhian Guillem, Kypros Hadjiafxentis, Louis Hadjioannou, Margarita HadjistylliJason Michael Hall-Spencer, Carlos Jimenez, Graham Johnstone, Periklis Kleitou, Demetris Kletou, Despina Koukkoularidou, Stalo Leontiou, Norbert Maczey, Nikolas Michailidis, John Owen Mountford, Athina Papatheodoulou, Oliver L. Pescott, Constantinos Phanis, Cristina Preda, Steph Rorke, Richard Shaw, Wojciech Solarz, Chris D. Taylor, Saso Trajanovski, Iakovos Tziortzis, Elli Tzirkalli, Ahmet Uludag, Giovanni Vimercati, Konstantin Zdraveski, Argyro Zenetos, Helen E. Roy

Research output: Contribution to journalArticlepeer-review


Invasive alien species (IAS) are known to be a major threat to biodiversity and ecosystem function and there is increasing evidence of their impacts on human health and economies globally. We undertook horizon scanning using expert-elicitation to predict arrivals of IAS that could have adverse human health or economic impacts on the island of Cyprus. Three hundred and twenty five IAS comprising 89 plants, 37 freshwater animals, 61 terrestrial invertebrates, 93 terrestrial vertebrates, and 45 marine species, were assessed during a two-day workshop involving 39 participants to derive two ranked lists: (1) IAS with potential human health impacts (20 species ranked within two bands: 1–10 species or 11–20 species); and, (2) IAS with potential economic impacts (50 species ranked in three bands of 1–10, 11–20, and 21–50). Five species of mosquitoes (Aedes aegypti, Aedes albopictus, Aedes flavopictus, Aedes japonicus, and Culex quinquefasciatus) were considered a potential threat to both human health and economies. It was evident that the IAS identified through this process could potentially arrive through many pathways (25 and 23 pathways were noted for the top 20 IAS on the human health and economic impact lists respectively). The Convention on Biological Diversity Level II (subcategory) pathways Contaminant on plants, pet/aquarium/terrarium species (including live food for such species), hitchhikers in or on aeroplanes, hitchhikers in or on ship/boats, and vehicles were the main pathways that arose across both lists. We discuss the potential of horizon scanning lists to inform biosecurity policies and communication around IAS, highlighting the importance of increasing understanding amongst all stakeholders, including the public, to reduce the risks associated with predicted IAS arrivals.

Original languageEnglish
Article number566281
JournalFrontiers in Ecology and Evolution
Publication statusPublished - 21 Oct 2020


  • communication
  • environmental management
  • introduction pathways
  • negative impact
  • non-native species
  • prevention


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